156407812 has 12 divisors (see below), whose sum is σ = 298596816. Its totient is φ = 71094440.

The previous prime is 156407807. The next prime is 156407819. The reversal of 156407812 is 218704651.

156407812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (156407819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777318 + ... + 1777405.

It is an arithmetic number, because the mean of its divisors is an integer number (24883068).

Almost surely, 2^156407812 is an apocalyptic number.

It is an amenable number.

156407812 is a deficient number, since it is larger than the sum of its proper divisors (142189004).

156407812 is a wasteful number, since it uses less digits than its factorization.

156407812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554738 (or 3554736 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 156407812 is about 12506.3108869083. The cubic root of 156407812 is about 538.7899425062.

The spelling of 156407812 in words is "one hundred fifty-six million, four hundred seven thousand, eight hundred twelve".